22102011212 has 24 divisors (see below), whose sum is σ = 40722259200. Its totient is φ = 10467309456.

The previous prime is 22102011209. The next prime is 22102011247. The reversal of 22102011212 is 21211020122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 401489 + ... + 453207.

It is an arithmetic number, because the mean of its divisors is an integer number (1696760800).

Almost surely, 2^22102011212 is an apocalyptic number.

It is an amenable number.

22102011212 is a deficient number, since it is larger than the sum of its proper divisors (18620247988).

22102011212 is a wasteful number, since it uses less digits than its factorization.

22102011212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57365 (or 57363 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 22102011212 its reverse (21211020122), we get a palindrome (43313031334).

It can be divided in two parts, 221020 and 11212, that added together give a palindrome (232232).

The spelling of 22102011212 in words is "twenty-two billion, one hundred two million, eleven thousand, two hundred twelve".